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Simpsonville, KY Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Simpsonville, a city in Shelby County, Kentucky.

This Afternoon
77°F
Sunny
Sunny, with a high near 77. South wind around 13 mph.

7-day forecast for Simpsonville

WhenTempForecastWindPrecip
This Afternoon 77°F Sunny 13 mph S 2%
Tonight 62°F Mostly Cloudy then Showers And Thunderstorms 9 to 14 mph S 95%
Wednesday 69°F Showers And Thunderstorms 9 to 15 mph S 94%
Wednesday Night 49°F Mostly Cloudy 7 mph SW 3%
Thursday 67°F Mostly Sunny 5 to 10 mph SW 0%
Thursday Night 44°F Partly Cloudy 5 mph W 0%
Friday 63°F Partly Sunny 2 to 8 mph W 8%
Friday Night 41°F Mostly Cloudy 7 mph N 11%
Saturday 57°F Mostly Sunny 6 mph N 3%
Saturday Night 36°F Partly Cloudy 5 mph NW 2%
Sunday 58°F Mostly Sunny 2 to 7 mph SW 6%
Sunday Night 34°F Mostly Clear then Slight Chance Rain Showers 6 mph W 15%
Monday 61°F Slight Chance Rain Showers then Sunny 3 to 8 mph W 15%
Monday Night 37°F Mostly Clear 6 mph SW 6%

Forecast source: National Weather Service (api.weather.gov) for Simpsonville (38.217, -85.350). Updated through the day.

Growing snapshot for Simpsonville

Last spring frost
May 1
First fall frost
Oct 10
Growing season
161 days
Hardiness zone
6b

More local growing data for Simpsonville: nearby ZIP 40067 weather · frost dates · planting calendar · Kentucky frost dates

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Climate data from the nearest NOAA station, Shelbyville 1 E, Ky (9.3 mi from Simpsonville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.